optional.hpp

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// SPDX-License-Identifier: AGPL-3.0-only
// Copyright (c) 2026 ForestHub. All rights reserved.
// For commercial licensing, visit https://github.com/ForestHubAI/fh-sdk
 
#ifndef FORESTHUB_UTIL_OPTIONAL_HPP
#define FORESTHUB_UTIL_OPTIONAL_HPP

 
#include <utility>
 
namespace foresthub {

template <typename T>
struct Optional {
    bool has_value = false;  
    T value{};               

    Optional() = default;

    Optional(const T& val) : has_value(true), value(val) {}

    Optional(T&& val) : has_value(true), value(std::move(val)) {}

    bool HasValue() const { return has_value; }

    explicit operator bool() const { return has_value; }

    const T& operator*() const { return value; }
    T& operator*() { return value; }
    const T* operator->() const { return &value; }
    T* operator->() { return &value; }

    Optional& operator=(const T& val) {
        has_value = true;
        value = val;
        return *this;
    }

    Optional& operator=(T&& val) {
        has_value = true;
        value = std::move(val);
        return *this;
    }
};
 
}  // namespace foresthub
 
#endif  // FORESTHUB_UTIL_OPTIONAL_HPP